absence_thelab

diff src/common/timing.cpp @ 0:1cffe3409164

initial commit
author John Tsiombikas <nuclear@member.fsf.org>
date Thu, 23 Oct 2014 01:46:07 +0300
parents
children
line diff
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/common/timing.cpp	Thu Oct 23 01:46:07 2014 +0300
     1.3 @@ -0,0 +1,46 @@
     1.4 +#include "timing.h"
     1.5 +
     1.6 +Timer::Timer() {
     1.7 +	QueryPerformanceFrequency(&freq);
     1.8 +	PauseTime.QuadPart = 0;
     1.9 +	paused = false;
    1.10 +}
    1.11 +
    1.12 +void Timer::Start() {
    1.13 +	PauseTime.QuadPart = 0;
    1.14 +	QueryPerformanceCounter(&start);
    1.15 +}
    1.16 +
    1.17 +void Timer::Stop() {
    1.18 +	QueryPerformanceCounter(&LastStop);
    1.19 +}
    1.20 +
    1.21 +void Timer::Resume() {
    1.22 +	LARGE_INTEGER resume;
    1.23 +
    1.24 +	QueryPerformanceCounter(&resume);
    1.25 +
    1.26 +	PauseTime.QuadPart += resume.QuadPart - LastStop.QuadPart;
    1.27 +}
    1.28 +
    1.29 +
    1.30 +unsigned long Timer::GetTicks() const {
    1.31 +	LARGE_INTEGER ticks;
    1.32 +
    1.33 +	QueryPerformanceCounter(&ticks);
    1.34 +	return (unsigned long)(ticks.QuadPart - start.QuadPart - PauseTime.QuadPart);
    1.35 +}
    1.36 +
    1.37 +unsigned long Timer::GetSec() const {
    1.38 +	LARGE_INTEGER ticks;
    1.39 +
    1.40 +	QueryPerformanceCounter(&ticks);
    1.41 +	return (unsigned long)((ticks.QuadPart - start.QuadPart - PauseTime.QuadPart)/freq.QuadPart);
    1.42 +}
    1.43 +
    1.44 +unsigned long Timer::GetMilliSec() const {
    1.45 +	LARGE_INTEGER ticks;
    1.46 +
    1.47 +	QueryPerformanceCounter(&ticks);
    1.48 +	return (unsigned long)((ticks.QuadPart - start.QuadPart - PauseTime.QuadPart)/(freq.QuadPart/1000));
    1.49 +}